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Across
  1. 2. dynamic line broadening in laser
  2. 8. LED has lambertian output pattern
  3. 10. short length of fiber already attached to the source
  4. 12. the average no of e-h pair created by per unit distance travelled
  5. 14. performance of a photodetector
  6. 15. advantage of pin photo diode
Down
  1. 1. ratio of average value of the total multiplied output current to primary unmultiplied photocurrant
  2. 3. carrier multiplication
  3. 4. noise associated with intensity fluctuations
  4. 5. requirement for detectors
  5. 6. current arises from the electron and / or holes which are thermally generated
  6. 7. newly created carries are the cause of further impact ionization
  7. 9. figure of merit for detector
  8. 11. high resistivity p-type material deposited as an epitaxial layer on a p+ substrate
  9. 13. noise due to random motion of electronics